BLAST uses heuristics to align a query sequence with all sequences in a database. 

Reason(R): BLASTX uses protein sequences as queries to search against a protein sequence database.

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#Question id: 10249

#SCPH06 I Botany

A niche is

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#Question id: 9574

#SCPH06 I Botany

What is the prevailing wind direction in equatorial regions affected by the trade winds?

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#Question id: 3279

#SCPH06 I Botany

Which two of the following have operated to increase divergence between mosquito fish populations on island?

a. improved gene flow

b. bottleneck effect

c. sexual selection

d. founder effect

e. natural selection

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#Question id: 346

#SCPH28 | Zoology

The partial negative charge in a molecule of water occurs because ________.

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#Question id: 2321

#SCPH28 | Zoology

The endosymbiont theory proposes that chloroplasts and mitochondria evolved from ________ and were engulfed by larger ________.